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Snatch force-time

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https://www.readbyqxmd.com/read/27820725/training-strategies-to-improve-muscle-power-is-olympic-style-weightlifting-relevant
#1
Christian Helland, Eirik Hole, Erik Iversen, Monica Charlotte Olsson, Olivier Seynnes, Paul Andre Solberg, Gøran Paulsen
INTRODUCTION: This efficacy study investigated the effects of (1) Olympic-style weightlifting (OWL), (2) motorized strength and power training (MSPT), and (3) free weight strength and power training (FSPT) on muscle power. METHODS: Thirty-nine young athletes (20±3 yr.; ice hockey, volleyball and badminton) were randomized into the three training groups. All groups participated in 2-3 sessions/week for 8 weeks. The MSPT and FSPT groups trained using squats (two legs and single leg) with high force and high power, while the OWL group trained using clean and snatch exercises...
November 3, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/24845206/magnitude-and-relative-distribution-of-kettlebell-snatch-force-time-characteristics
#2
COMPARATIVE STUDY
Jason P Lake, Brandon S Hetzler, Mike A Lauder
The aim of this study was to compare mechanical output from kettlebell snatch and 2-handed kettlebell swing exercise. Twenty-two men performed 3 sets of 8 kettlebell snatch and 2-handed swing exercise with a 24-kg kettlebell on a force platform. Vertical and horizontal net impulse, mean force, displacement, the magnitude, and rate of work performed displacing the kettlebell-and-lifter center of mass (CM), phase durations and impulse ratio (horizontal to resultant) were calculated from force data. The results of repeated-measures analysis of variance showed that: (a) vertical CM displacement was significantly larger during kettlebell snatch exercise (22 ± 4 vs...
November 2014: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/18550958/force-time-curve-characteristics-and-hormonal-alterations-during-an-eleven-week-training-period-in-elite-women-weightlifters
#3
G Gregory Haff, Janna R Jackson, Naoki Kawamori, Jon M Carlock, Michael J Hartman, J Lon Kilgore, Robert T Morris, Michael W Ramsey, William A Sands, Michael H Stone
The purpose of this investigation was to study the effects of an 11-week training period performed by female weightlifters. Two weeks before this investigation, baseline measures for total testosterone, cortisol, and testosterone:cortisol ratio were collected. The 11-week training program consisted of the core exercises (i.e., clean, clean and jerk, and snatch) and other supplemental exercises (i.e., clean pull, snatch pull, squat, and front squat). Hormonal, isometric, and dynamic middle thigh pull force-time curve characteristics were assessed biweekly throughout the duration of the investigation, whereas volume load and training intensity were assessed weekly throughout the investigation...
March 2008: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/16287343/force-time-curve-characteristics-of-dynamic-and-isometric-muscle-actions-of-elite-women-olympic-weightlifters
#4
G Gregory Haff, Jon M Carlock, Michael J Hartman, J Lon Kilgore, Naoki Kawamori, Janna R Jackson, Robert T Morris, William A Sands, Michael H Stone
Six elite women weightlifters were tested to evaluate force-time curve characteristics and intercorrelations of isometric and dynamic muscle actions. Subjects performed isometric and dynamic mid-thigh clean pulls at 30% of maximal isometric peak force and 100 kg from a standardized position on a 61.0 x 121.9 cm AMTI forceplate. Isometric peak force showed strong correlations to the athletes' competitive snatch, clean and jerk, and combined total (r = 0.93, 0.64, and 0.80 respectively). Isometric rate of force development showed moderate to strong relationships to the athletes' competitive snatch, clean and jerk, and combined total (r = 0...
November 2005: Journal of Strength and Conditioning Research
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